Shower stool



FIG. 1 is a top perspective view of the shower stool;

FIG. 2 is a top view of the shower stool;

FIG. 3 is a front, side view of the shower stool; and,

FIG. 4 is a right, side view of the shower stool.

The front and right side views of the shower stool are identical to therear and left side views, respectively.

Broken lines shown in the drawings are for illustrative purposes onlyand form no part of the claimed design.

CLAIM The ornamental design for a shower stool, as shown and described.